Home / 89,072.68-122,921.70-48,785.72

Finding the Fourth Proportional to 89,072.68, 122,921.70 and 48,785.72

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Solution

The fourth proportional to 89,072.68, 122,921.70 and 48,785.72 is: 67,325.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,072.68 : 122,921.70 = 48,785.72 : x
  2. Step 2: Convert to fraction form
    89,072.68/122,921.70 = 48,785.72/x
  3. Step 3: Cross multiply
    89,072.68x = 122,921.70 × 48,785.72
  4. Step 4: Simplify right side
    89,072.68x = 5,996,823,638.12
  5. Step 5: Solve for x
    x = 5,996,823,638.12/89,072.68
  6. Step 6: Final answer
    x = 67,325.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.